
/*
* PriceHistoryDAL
*/
using System;
using System.Collections;
using System.Data;
using System.Data.Common;
using System.Collections.Generic;

using WHC.Pager.Entity;
using Microsoft.Practices.EnterpriseLibrary.Data;
using Carmall.Entity;
using Carmall.IDAL;

namespace Carmall.DAL
{
	/// <summary>
	/// PriceHistory DAL 的摘要说明。
	/// </summary>
	public class PriceHistory : BaseDAL<PriceHistoryInfo>, IPriceHistory
	{
		#region 对象实例及构造函数

		public static PriceHistory Instance
		{
			get
			{
				return new PriceHistory();
			}
		}
		public PriceHistory() : base("pricehistory","ID")
		{
		}

		#endregion

		/// <summary>
		/// 将DataReader的属性值转化为实体类的属性值，返回实体类
		/// </summary>
		/// <param name="dr">有效的DataReader对象</param>
		/// <returns>实体类对象</returns>
		protected override PriceHistoryInfo DataReaderToEntity(IDataReader dataReader)
		{
			PriceHistoryInfo pricehistoryInfo = new PriceHistoryInfo();
			SmartDataReader reader = new SmartDataReader(dataReader);
			
			
			pricehistoryInfo.ID = reader.GetInt32("ID");
			pricehistoryInfo.Product = reader.GetInt32("Product");
			pricehistoryInfo.Price = reader.GetDecimal("Price");
			pricehistoryInfo.Created = reader.GetDateTime("Created");

			
			return pricehistoryInfo;
		}

		/// <summary>
		/// 将实体对象的属性值转化为Hashtable对应的键值
		/// </summary>
		/// <param name="obj">有效的实体对象</param>
		/// <returns>包含键值映射的Hashtable</returns>
		protected override Hashtable GetHashByEntity(PriceHistoryInfo obj)
		{
			PriceHistoryInfo info = obj as PriceHistoryInfo;
			Hashtable hash = new Hashtable(); 
			
			
			hash.Add("ID", TypeHelper.SafeInt(info.ID));
			hash.Add("Product", TypeHelper.SafeInt(info.Product));
			hash.Add("Price", TypeHelper.SafeDecimal(info.Price));
			hash.Add("Created", TypeHelper.SafeTime(info.Created));

			
			return hash;
		}
	}
}
